Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 1131 SSLK complete with terminals

complete with terminals

S/B Chevy heads may not be used on engines with less than 4" bore (262

Ideal for carbureted nitrous engines

Lower Housing Casting

90 mm Throttle Body Flange

Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 1131 SSLK complete with terminalsSchoenfeld IMCA UMP Modified Headers 1. 625 in Primary 3 in Collector Small Block Chevy (Pair) Product Description: Headers IMCA UMP Modified 1. 625 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair Founded in 1974, Schoenfeld Headers is the largest circle track header manufacturer in the world. Schoenfeld Headers is the manufacturer of competition headers, mufflers and exhaust systems. Schoenfeld Headers